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Dr. David S. Wernsing, MD
NPI1518999820PAC ID9830124726
- Medicare services, 2024
- 380
- Medicare patients, 2024
- 282
- Publications
- 2
- MIPS score, 2024
- 85
- Hospital affiliations
- 3
- Practice address
- 3400 Spruce St, Philadelphia, PA 19104
- Practice phone
- Call (215) 662-6289
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wernsing's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David S. Wernsing is a general surgeon in Philadelphia, Pennsylvania
Dr. Wernsing practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.
Dr. Wernsing's NPI, 1518999820, was assigned on July 7, 2006. Dr. Wernsing graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1995. Dr. Wernsing holds Pennsylvania license MD066460L.
NPI and contact details
- NPI
- 1518999820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830124726
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 662-6289
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Wernsing practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania
Dr. Wernsing's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 662-6289.
- Hospital of the University of Pennsylvania3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 662-6289
Source: Dmand AI Affiliation Data
Dr. David S. Wernsing is affiliated with 5 sites of care and 1 medical group
Dr. Wernsing's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dr. Wernsing is also affiliated with Pennsylvania Hospital. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Wernsing to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
Pennsylvania HospitalPenn Medicine Lancaster General Health1 hospitalName with a free account1 group practice or clinicName with a free account1 home health agencyName with a free account
See all 6 affiliations for Dr. WernsingSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David S. Wernsing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wernsing practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital of the University of Pennsylvania | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Wernsing is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Wernsing's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Wernsing is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Wernsing
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,398general surgeons in Pennsylvania301general surgeons in Philadelphia29general surgeons at Hospital of the University of Pennsylvania
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David S. Wernsing billed Medicare for 380 services in 2024
CMS data shows 380 Medicare services from Dr. Wernsing across 9 procedure codes in 2024, for 282 Medicare patients. Medicare paid $70,488 for them.
Medicare services, 2024380
Medicare patients282
Paid by Medicare$70,488
Procedure codes9
Dr. Wernsing's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2722024: 2537%
- Surgery
- 2023: 1112024: 12714%
Where Dr. Wernsing's Medicare services took place, 2024
- In an office11229%
- In a facility26871%
Dr. Wernsing compared with the Pennsylvania median for general surgeons, 2024
- Dr. Wernsing
- Pennsylvania median
- Medicare services
- 380vs 1582.4 times
- Medicare patients
- 282vs 1272.2 times
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Wernsing's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David S. Wernsing treated 282 Medicare patients in 2024, average age 71
CMS counts 282 Medicare patients who saw Dr. Wernsing in 2024. The largest group is 65 to 74, with 145 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Wernsing's median patient age at 60, with 52% women.
Medicare patients, 2024282
Average age71
Average risk score2.95
Also on Medicaid11%
Dr. Wernsing's Medicare patients by age, 2024
Dr. Wernsing's Medicare patients by sex, 2024
- Women13749%
- Men14551%
Chronic conditions among Dr. Wernsing's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Chronic kidney disease44%
- Ischemic heart disease36%
- Diabetes35%
- Anxiety28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wernsing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David S. Wernsing scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Wernsing for performance year 2024, reported as part of a group. Dr. Wernsing accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wernsing as offering telehealth. CMS counts 86 procedures of hernia repair (minimally invasive) by Dr. Wernsing, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Wernsing's MIPS scores, performance year 2024
- 85of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Wernsing ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 99th percentile86 procedures
- Spinal fusion
- 50th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. David S. Wernsing has 2 publications on record
Dmand AI links 2 papers to Dr. Wernsing in 2023. 2023 was the busiest year, with 2. The most frequent topics are Gastrectomy, Laparoscopy and Obesity, Morbid. Dr. Wernsing's most frequent co-authors are Kristoffel Dirk Ann Rueben Dumon, MD, Noel Norman Williams, MD and Maria Spassova Altieri, MD.
Papers2
Topics Dr. Wernsing writes about most
- Gastrectomy
- Laparoscopy
- Obesity, Morbid
Dr. Wernsing's most frequent co-authors
- Kristoffel Dirk Ann Rueben Dumon, MD2 shared papers
- Noel Norman Williams, MD2 shared papers
- Maria Spassova Altieri, MD1 shared paper
Recent publications by Dr. Wernsing
GastrectomyGastric BypassGastroesophageal Reflux
See who Dr. Wernsing researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wernsing works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David S. Wernsing received $176,451 in industry payments from 2016 to 2025
CMS Open Payments shows 247 general payments to Dr. Wernsing from 21 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 72% of the total. Baxter Healthcare paid the most, $83,625.
General payments to Dr. Wernsing by program year, 2016 to 2025
General payments to Dr. Wernsing by kind, 2016 to 2025
$176.5Kin total
- Consulting fees$125,58172%
- Travel and lodging$24,87914%
- Speaker and faculty fees$10,8006%
- Food and beverage$5,6613%
- Other$8,5935%
Companies that paid Dr. Wernsing the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David S. Wernsing graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Dr. Wernsing graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David S. Wernsing's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David S. Wernsing
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David S. Wernsing's NPI number?
Dr. David S. Wernsing's NPI number is 1518999820. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Wernsing?
Dr. David S. Wernsing is a general surgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David S. Wernsing practice?
Dr. Wernsing practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Wernsing's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Wernsing to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. David S. Wernsing's office phone number?
The practice phone on file for Dr. Wernsing is (215) 662-6289.
What is Dr. David S. Wernsing's medical license number?
Dr. Wernsing holds Pennsylvania license MD066460L.
Which hospitals is Dr. David S. Wernsing affiliated with?
Dr. Wernsing practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. Dr. Wernsing is also affiliated with Pennsylvania Hospital. Dmand AI links Dr. Wernsing to 1 more hospital.
What medical group is Dr. David S. Wernsing part of?
Dr. Wernsing is linked to Penn Medicine Lancaster General Health.
Does Dr. David S. Wernsing accept Medicare?
Yes. CMS data shows Dr. Wernsing billed Medicare for 380 services in 2024, and Dr. Wernsing accepts Medicare assignment.
Does Dr. David S. Wernsing offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wernsing as offering telehealth services.
What is Dr. David S. Wernsing's MIPS score?
Dr. Wernsing's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. David S. Wernsing see?
CMS counts 282 Medicare patients who saw Dr. Wernsing in 2024, with an average age of 71.
What services does Dr. David S. Wernsing bill to Medicare?
In 2024, Dr. Wernsing's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. David S. Wernsing go to medical school?
Dr. Wernsing graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1995.
Has Dr. David S. Wernsing received payments from drug or device companies?
CMS Open Payments shows $176,451 in general payments to Dr. Wernsing from 21 companies from 2016 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. David S. Wernsing been practicing?
Dr. Wernsing graduated from medical school in 1995, 31 years ago.
Does Dr. David S. Wernsing do research?
Dmand AI links 2 publications to Dr. Wernsing.
Who does Dr. David S. Wernsing publish with?
Dr. Wernsing's most frequent co-authors are Kristoffel Dirk Ann Rueben Dumon, MD (2 shared papers), Noel Norman Williams, MD (2 shared papers) and Maria Spassova Altieri, MD (1 shared paper).
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